What is 2 thirds plus 3 fourths

Answers

Answer 1

Answer: 2/3 + 3/4. To solve this equation sir you must find a common denominator. The lowest common denominator is 12. It will equal 17/12 or 1 and 5/10.

Answer 2

Answer: In order to find this you need to find a common denominator. 2/3 and 3/4 common denominator would be 12 and so what you do to the bottom you must do to the top. 2x4 is 8 and 3x3 is 9. that would make 8/12 and 9/12. 8 plus nine is 17 and 12 stays there so the answer is 17/12 which equals 1 and 5/10.

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HELP ME ASAP WITH THIS MATH PROBLEM

Answers

I’m pretty sure it’s 12 oz of water per packet of flavor

1-12
2-24
5-60
7-84
10-120
12-144
Those are all the packets of flavoring to ounces of water

1. Given f(x) = 3x – 4 and g(x)=–2x+7 evaluate:
(fog)(5)

Answers

Answer:

(f o g)(5) = -13

General Formulas and Concepts:

Pre-Alg

Order of Operations: BPEMDAS

Algebra I

Composition of functions

Step-by-step explanation:

Step 1: Define

f(x) = 3x - 4

g(x) = -2x + 7

(f o g)(5) is f(g(5))

Step 2: Find composite function

Substitute: (f o g)(x) = 3(-2x + 7) - 4
Distribute: (f o g)(x) = -6x + 21 - 4
Combine like terms: (f o g)(x) = -6x + 17

Step 3: Solve

Substitute: (f o g)(5) = -6(5) + 17
Multiply: (f o g)(5) = -30 + 17
Add: (f o g)(5) = -13

Monica walks 2 miles each day Monday through Friday. She walks 3 miles on Saturday. She does not walk on Sunday. Monica calculates that she will have walked 127 miles after 29 weeks.What is an estimate for the number of miles that Monica will have walked after 29 weeks? Is her original calculation reasonable?

137; her original calculation is reasonable

145; her original calculation is not reasonable

310; her original calculation is reasonable

390; her original calculation is not reasonable

Answers

lets calculate how much she walks each weeks and then we multiply that by the number of weeks.
weekWalk = 5(2) + 3 = 10 + 3 = 13
therefore, she walks 13 miles per week, if she walked for 29 weeks then we have:
total walked =(29)(13) = 377
so she walked 377 miles total, so her original estimate is not reasonable

Answer

390; her original calculation is not reasonable

Step-by-step explanation:

What's substitution for y=4x-1;y=2x-5

Answers

y=4x−1;y=2x−5
Step: Solve y=4x−1 for y:
Step: Substitute 4x−1 for y in y=2x−5:
y=2x−5
4x−1=2x−5
4x−1+−2x=2x−5+−2x(Add -2x to both sides)
2x−1=−5
2x−1+1=−5+1(Add 1 to both sides)
2x=−4
2x/2=−4/2(Divide both sides by 2)
x=−2
Step: Substitute−2 for x in y=4x−1:
y=4x−1
y=(4)(−2)−1
y=−9(Simplify both sides of the equation)
Answer:y=−9 and x=−2

One weekday, the ticket sales person at a bus station asks every 10th ticket buyer if they had planned to use a laptop computer while traveling. Of the 145 travelers questioned, 54 said yes.Based on this sample, predict how many people out of 3100 weekday bus travelers will use a laptop while traveling. Round to the nearest whole number.

Answers

From the 3100 weekday bus traveler, 310 travelers will be asked by the sales person. And for every 2.685 traveler questioned, a traveler will say yes. So there will be 115 bus travelers that will use a laptop computer while travelling.

What is 2y+x=-6 and y=-2x+0 using substitution method?

Answers

2y + x = -6
y = -2x + 0

We can substitute the second equation into the first one.

2y + x = -6
2(-2x + 0) + x = -6
-4x + x = -6
-3x = -6

Divide -3 on both sides.

x = 2

Now, plug x = 2 into any equation and solve for y.

y = -2x + 0
y = -2(2) + 0
y = -4

The solution to the system of equations is (2,-4).

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